Home / 212,949.02-319,634.88-113,110.04

Finding the Fourth Proportional to 212,949.02, 319,634.88 and 113,110.04

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Solution

The fourth proportional to 212,949.02, 319,634.88 and 113,110.04 is: 169,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,949.02 : 319,634.88 = 113,110.04 : x
  2. Step 2: Convert to fraction form
    212,949.02/319,634.88 = 113,110.04/x
  3. Step 3: Cross multiply
    212,949.02x = 319,634.88 × 113,110.04
  4. Step 4: Simplify right side
    212,949.02x = 36,153,914,062.20
  5. Step 5: Solve for x
    x = 36,153,914,062.20/212,949.02
  6. Step 6: Final answer
    x = 169,777.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.